8155346028445 has 32 divisors (see below), whose sum is σ = 12213337962240. Its totient is φ = 5078813322240.

The previous prime is 8155346028433. The next prime is 8155346028457. The reversal of 8155346028445 is 5448206435518.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8155346028433) and next prime (8155346028457).

It is not a de Polignac number, because 8155346028445 - 2⁵ = 8155346028413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10108422 + ... + 10885351.

It is an arithmetic number, because the mean of its divisors is an integer number (381666811320).

Almost surely, 2^{8155346028445} is an apocalyptic number.

It is an amenable number.

8155346028445 is a deficient number, since it is larger than the sum of its proper divisors (4057991933795).

8155346028445 is a wasteful number, since it uses less digits than its factorization.

8155346028445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994805.

The product of its (nonzero) digits is 18432000, while the sum is 55.

The spelling of 8155346028445 in words is "eight trillion, one hundred fifty-five billion, three hundred forty-six million, twenty-eight thousand, four hundred forty-five".